Merge branch 'master' of https://github.com/postgres/postgres
Merge branch 'master' of https://github.com/postgres/postgres
first steps in gettwin g awesome
removed compilation bugs
Fix bug in hashtable creation
changed hashmap impl to calculate fds
added link for hashmap
Remove unused code for FD calculation, Add description
Change size calculation of rehashed hashmap and better memory management
Merge remote-tracking branch 'origin/master' into incrementalFD
megred master
added some pruning for fds
Merge remote-tracking branch 'origin/piggyback_master' into incrementalFD

Conflicts:
	src/backend/executor/execProcnode.c